Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Factors Affecting Perception01:25

Factors Affecting Perception

3.1K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
3.1K
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

1.0K
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
1.0K
Equation of Motion for a Rigid Body01:12

Equation of Motion for a Rigid Body

694
The movement of a rigid object can be understood through the equations that explain both translational and rotational motion about the center of mass of the object, point G. This center of mass is the point where the equation of motion for translational motion comes into play, as per Newton's Second Law.
The combined moments generated about the center of mass of the object are equal to the rate of change of the angular momentum of the body. An external force, when applied at a different...
694
Planar Rigid-Body Motion01:22

Planar Rigid-Body Motion

1.3K
Understanding the movement of a rigid body in planar motion involves recognizing that every particle within this body is traversing a path that maintains a consistent distance from a specific plane. This concept is fundamental in the study of physics and mechanical engineering, and it allows us to comprehend better how objects move in space.
Planar motion is typically divided into three distinct categories. The first is rectilinear translation, demonstrated by a subway train that moves along...
1.3K
Equation of Motion: General Plane motion01:22

Equation of Motion: General Plane motion

669
In the context of a rigid body's movement within a general plane, it is important to understand that this motion is typically triggered by external forces or couple moments exerted onto it. This principle can be explained through Newton's second law, which stipulates the translational motion of the body's center of mass along each axis.
Moreover, the body's center of mass experiences a rotational effect as a result of these couple moments. This rotation can be articulated as the...
669
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

822
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
822

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Vertigo and oculomotor disorders: diagnosis, anatomical classification and etiology].

Die Ophthalmologie·2026
Same author

Frequency and phenotype of GAA-FGF14 disease in bilateral vestibulopathy syndromes: insights from repeat expansion carriers, including a case of co-occurrence with RFC1-related CANVAS.

Journal of neurology·2026
Same author

Gabapentin Utilization and Adverse Effects Among US Hemodialysis Patients Diagnosed With Pruritus or Neuropathic Pain.

Kidney medicine·2026
Same author

Benign Paroxysmal Positional Vertigo: The Case for Renaming It Peripheral Paroxysmal Positional Vertigo.

Neurology·2026
Same author

Gait as a vital sign: integrating wearables and AI into vestibular and balance medicine.

Frontiers in neurology·2026
Same author

Liquid Chromatography-Mass Spectrometry-Based Molecular Profiling of Vertigoheel.

International journal of molecular sciences·2026
Same journal

Gelastic dysarthria: Speech-triggered pathological laughter with evidence for a selective pontine gating mechanism.

Brain and cognition·2026
Same journal

Brain correlates of linguistic-cognitive stimulation in neurotypical and Atypical older adult populations: A systematic review.

Brain and cognition·2026
Same journal

Effects of Dieting on Neural Encoding of Preferences for Edible and Non-Edible Rewards: An ERP Study.

Brain and cognition·2026
Same journal

Structural complexity of brain regions in mild cognitive impairment and Alzheimer's disease.

Brain and cognition·2026
Same journal

Spatial navigation training enhances performance on large-scale and small-scale spatial tasks through different neural mechanisms.

Brain and cognition·2026
Same journal

Unraveling the link between brain injury and enhanced artistic skills.

Brain and cognition·2026
See all related articles

Related Experiment Video

Updated: Mar 20, 2026

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
09:46

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions

Published on: May 10, 2012

13.2K

Gravity matters: Motion perceptions modified by direction and body position.

Jens Claassen1, Stanislavs Bardins2, Rainer Spiegel3

  • 1Department of Neurology and German Center for Vertigo and Balance Disorders, University of Munich Hospital, Campus Großhadern, Munich, Germany; Department of Neurology, University Hospital Essen, Germany.

Brain and Cognition
|June 4, 2016
PubMed
Summary
This summary is machine-generated.

Gravity influences motion perception. Motion coherence thresholds were lower when movement aligned with gravity, suggesting an earth-centered reference frame is crucial for perceiving coherent motion, especially upright.

Keywords:
Body positionDorsal medial temporal areaMotion coherencePerceptionVestibular system

More Related Videos

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform
06:31

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

Published on: August 4, 2022

3.8K
Controlled Rotation of Human Observers in a Virtual Reality Environment
09:11

Controlled Rotation of Human Observers in a Virtual Reality Environment

Published on: April 21, 2022

3.1K

Related Experiment Videos

Last Updated: Mar 20, 2026

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
09:46

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions

Published on: May 10, 2012

13.2K
Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform
06:31

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

Published on: August 4, 2022

3.8K
Controlled Rotation of Human Observers in a Virtual Reality Environment
09:11

Controlled Rotation of Human Observers in a Virtual Reality Environment

Published on: April 21, 2022

3.1K

Area of Science:

  • Neuroscience
  • Human Perception
  • Visual Neuroscience

Background:

  • Motion coherence thresholds are known to be higher at lower velocities.
  • The influence of object position and direction on motion perception, particularly concerning gravity, requires further investigation.

Purpose of the Study:

  • To analyze how the position and direction of moving objects affect their perception.
  • To determine the influence of gravity on motion coherence thresholds.
  • To differentiate between coherent and randomly moving objects under various body positions and motion axes.

Main Methods:

  • A coherent threshold paradigm was employed with 18 healthy young participants.
  • Participants were tested in both upright and reclining positions with horizontal or vertical motion axes.
  • Motion coherence thresholds were measured under conditions congruent and incongruent with gravity.

Main Results:

  • Motion coherence thresholds were significantly lower when the object's position and motion were congruent with gravity (p=0.024).
  • In other conditions, higher motion coherence thresholds were observed at lower velocities, and vice versa (p<0.001), confirming previous findings.
  • Perceptual differences were observed only in the upright position, indicating a gravity-dependent effect.

Conclusions:

  • Perception of coherent motion, particularly in an upright position, relies on an earth-centered reference frame rather than an egocentric one.
  • Gravity plays a significant role in modulating motion coherence perception.
  • Findings contrast with studies on virtual turns and optokinetic nystagmus, highlighting the complexity of visual-spatial reference frames.